Coronavirus live updates: Many covid vaccines work as boosters but mRNA vaccines may work best

Retrieved on: 2021-12-03 10:36:18

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Coronavirus live updates: Many covid vaccines work as boosters but mRNA vaccines may work best. View article details on hiswai:

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... against the coronavirus, but Pfizer's and Moderna's shots — both based on mRNA technology — may work best, according to a new study.

Article found on: www.washingtonpost.com